Recommend: Caps for board recap of msi 875p-neo2

[ChaosLegionnaire]

my board has the following caps needing to be replaced:

3 x 1500uF 16V 0.020 Ohms 2780mA OST RLX 0352 10mm(Ø) x 20mm(H) @ CPU VRM Area
5 x 3300uF 6.3V 0.014 Ohms 2780mA OST RLX 0405 10mm(Ø) x 25mm(H) @ CPU VRM Area
1 x 1500uF 6.3V 0.018 Ohms 2000mA Panasonic FJ 10mm(Ø) x 15mm(H) @ CPU VRM Area

i prefer rubycon caps and i have searched thru most of the rubycon datasheets but i am unable to find suitable rubies to match the spoilt ost crapacitors on my board.

can a kind soul kindly recommend me suitable rubies as replacements or failing which u can recommend caps from other brands e.g. nippon chemies, nichies or pannys. TIA.

[mariushm]

Re: Recommend: Caps for board recap of msi 875p-neo2

1500/16 rlx :

Rubycon ZLK 3160mA 0.024 ohm

http://uk.farnell.com/rubycon/16zlk1...5mm/dp/2102460 (ignore title, it's typed 500uF by mistake)

Nichicon HN 2900mA 0.010 ohm

http://uk.farnell.com/nichicon/uhn1c...16v/dp/1823686

3300uF 6.3v rlx

Nichicon HM 2800 0.012 ohm

http://ro.farnell.com/nichicon/uhm0j...ial/dp/2113082

Will work with Nichicon HN, HZ as well ...

The 1500uF 6.3v Panasonic can be replaced with Panasonic FM, FR , Nichicon HN, HZ, HM, NCC KZE etc


Farnell is element14.com or newark.com in some regions... http://sg.element14.com/ may work the best for you

[ChaosLegionnaire]

Re: Recommend: Caps for board recap of msi 875p-neo2

hi, thanks for the quick reply. if i decide to go with the ruby with slightly higher esr than the ost rlx, (this is at the vrm in right?) does this mean ripple from a crappy psu could get thru to the vrms and spoil the mosfets and vrm out caps? as well as possibly making the load (cpu) unstable? any other cons i missed with using a higher esr cap?

im using all branded psus tho. got an enermax liberty 500w and thermaltake toughpower xt 575w. i banhammered myself from purchasing anymore generic psus after always getting hard drive crashes resulting in data loss. after stopping myself from being a cheapskate and switching to getting branded, havent had a hard drive failure in years. keke~

was hoping to go all rubies but unfortunately it seems like ruby doesnt have any to fit the ones i need. boohoo

possible replacement list:

1500uF 16V 0.024 Ohms 3160mA Rubycon ZLK 10mm(Ø) x 25mm(H)
1500uF 6.3V 0.014 Ohms 2180mA Rubycon ZLG 10mm(Ø) x 20mm(H)

[mockingbird]

Re: Recommend: Caps for board recap of msi 875p-neo2

3 x 1500uF 16V 0.020 Ohms 2780mA OST RLX 0352 10mm(Ø) x 20mm(H) @ CPU VRM Area
5 x 3300uF 6.3V 0.014 Ohms 2780mA OST RLX 0405 10mm(Ø) x 25mm(H) @ CPU VRM Area
1 x 1500uF 6.3V 0.018 Ohms 2000mA Panasonic FJ 10mm(Ø) x 15mm(H) @ CPU VRM Area

Replacements:
1) https://www.badcaps.net/store/produc...roducts_id=139
2) https://www.badcaps.net/store/produc...roducts_id=142
3) https://www.badcaps.net/store/produc...roducts_id=147

All Nichicon HZ, better than Rubycon MCZ.

[mariushm]

Re: Recommend: Caps for board recap of msi 875p-neo2

0.020 vs 0.024 is like thinking how much difference a drop of water in a cup of coffee would make.

It's a very small difference, and keep in mind the values listed in datasheets are generally either averages within thousands of pieces of capacitors or somewhat worst case values - the capacitor you buy could have an even lower ESR than 0.024.

Also, keep in mind that your motherboard actually worked fine as those capacitors started to go bad and swell up, so it's quite possible the capacitors didn't have 0.020 esr for a while and the motherboard still worked just fine.

The higher ESR means that the capacitors can warm up a bit more but there's no measurable difference between 0.020 and 0.024.

If I remember correctly, higher ESR means the dc-dc converter that changes the 12v from the power supply to 1-1.2v needed for CPU has a lot more work to do to reach and stay as close as possible to the desired voltage.
The ripple value is all about how the capacitor handles sudden demands of power from the converter, how quick it can fill up and discharge and so on.

Rubycon and Nichicon are both high quality brands and those two ZLK and ZLG are good series for motherboards.
Panasonic is also great manufacturer, but the recommended series (FM, FR) are not particularly small in diameter so they're not often used on motherboards.

mockingbird: he's in Singapore, shipping costs may be too much for him to get from Badcaps store, that's why I didn't recommend it.

[ChaosLegionnaire]

Re: Recommend: Caps for board recap of msi 875p-neo2

mockingbird trying to convert me from ruby fanboy to nichies fanboy huh hahaha j/k

so i guess im not worrying about 0.004 esr difference then. since ost caps are notorious for heating up during load from what i read. i actually measured the ost caps temp before using an IR thermometer during intel linpack load and it was almost as hot as the cpu wth!

[ChaosLegionnaire]

Re: Recommend: Caps for board recap of msi 875p-neo2

umm wow lol. just saw the datasheet for nichie hz and hn and didnt expect them to have such low esr. will using such low esr caps affect the long term running of the cpu vrms? i really like this board and want it to last for many, many years.

i heard that when a cap ages, its esr tends to rise right? so choosing slightly lower esr than the ones i have on the board shud allow for sum leeway for the vrm circuit to keep running as the caps age, isnt it? the difference of 10-15 mOhms is still like a drop in the ocean like what mariushm said?

[c_hegge]

Re: Recommend: Caps for board recap of msi 875p-neo2

The HZs will work fine. VRMs generally can benefit from having a lower ESR.

Rubycon have discontinued their MBZ/MCZ line, and ZL_ series are not appropriate replacements for OST RLX.

Rubycon and Nichicon are both high quality brands and those two ZLK and ZLG are good series for motherboards.

You are only half correct. ZL_ are often fine for the small 1000uF 6.3v and 470uF 16v caps which you find scattered throughout motherboards, but their ESR is way too high for use in the VRM of a modern motherboard.

[ChaosLegionnaire]

Re: Recommend: Caps for board recap of msi 875p-neo2

lol my mobo considered modern? its an antique dinosaur p4 socket 478 mobo keke~

[severach]

Re: Recommend: Caps for board recap of msi 875p-neo2

For VRM design any Pentium 4 is very modern. The last motherboards for which ZL could be appropriate in the VRM are Pentium II.

[ChaosLegionnaire]

Re: Recommend: Caps for board recap of msi 875p-neo2

damn its so hard to find good caps here in singapore. most electronic component shops here carry mostly junk brand caps as i went around today looking for caps.

i found lots of capxon, samxon, evercon, DST, g-luxon, hec, jackcon, lelon, supacon, taicon, teapo and even the OST RLX crapacitors that had died on me lmao no way im gunna buy the exact same brand and type of caps that had failed. even tho nub techs will advise me to use back the exact same ones as the manufacturer... umm hello the mobo manufacturer is a nub too? lol.

beats me why msi uses top-end ZL rubies and KZE chemies in the northbridge, dimm, agp, pci, atx connector and cmos battery area but using ost rlx crapacitors in the cpu vrm area except for the only panny FJ in the cpu vrm area.

however, there was one bright spark (pun intended). i managed to find some MBZ rubies. shop had over 2 dozen of em. more on that later.

oh well here goes the possible replacement list based on what i cud find:

1. 1500uF 16V 0.020 Ohms 2780mA OST RLX 0352 10mm(Ø) x 20mm(H) possible replacement list:
chemicon kze 2200uF 16V 12.5mm(Ø) x 25mm(H)
chemicon sxg 1500uF 16V 12.5mm(Ø) x 30mm(H)
chemicon kme 2200uF 16V 10mm(Ø) x 18.5mm(H)

2. 3300uF 6.3V 0.014 Ohms 2780mA OST RLX 0405 10mm(Ø) x 25mm(H) possible replacement list:
rubycon mbz 3300uF 6.3V 10mm(Ø) x 22.5mm(H)
chemicon ky 3300uF 6.3V 12.5mm(Ø) x 20mm(H)
sanyo wg s.e. 65 3300uF 6.3V (unable to get size measurement)

3. 1500uF 6.3V 0.018 Ohms 2000mA Panasonic FJ 10mm(Ø) x 15mm(H) possible replacement list:
chemicon kzj 2200uF 6.3V 10mm(Ø) x 20mm(H)
rubycon ZL 1500uF 6.3V 10mm(Ø) x 25mm(H)
sanyo wg s.e. 62 1500uF 6.3V 8mm(Ø) x 20mm(H)
panasonic FL 1800uF 6.3V 8mm(Ø) x 20mm(H)
nichicon hd 2200uF 10V 12.5mm(Ø) x 20mm(H)
rubycon mbz 3300uF 6.3V 10mm(Ø) x 22.5mm(H)
chemicon ky 3300uF 6.3V 12.5mm(Ø) x 20mm(H)
sanyo wg s.e. 65 3300uF 6.3V (unable to get size measurement)

for replacement cap type #1, im tempted to go with the kze chemie but unfortuntely it might be too big to fit. i have a pair of the caps bunched up next to each other at the atx 12v connector. so im wondering if kme is good too. if i have to squeeze the kze in there i will have to bend one forward and the other backward so they dont collide and try to occupy the same space which will cause them not to fit on the mobo.

for replacement cap type #2, the mbz rubies wud be the undisputed champion of the lot but i wonder if the sanyo wg and ky chemie are worth it for the kiv folder shud i need more caps in future. also wondering how does mbz rubies compare to hn or hz nichies.

for replacement cap type #3, i wonder if i cud squeeze more mbz rubies in there? will it drastically affect the vrm circuit if i bumped up the capacitance from 1500uF to 3300uF? failing which i cud try panasonic FL, nichicon hd, sanyo wg and chemicon kzj.

P.S. on a side note, i wonder if i shud hoard mbz rubies and then later try to sell em for profit lmao hahaha since the shop had over 2 dozen of em. manufactured in 2006 from the markings. since i *might* need more rubies as i also have another board, an asus a8v non-deluxe/standard/normal version rev 2.00 which has some suspect capacitors. i might be thinking of doing a preemptive recap of that mobo but that is for another topic...

[ChaosLegionnaire]

Re: Recommend: Caps for board recap of msi 875p-neo2

hmmm locally, i can only find the following capacitor that has suitable dimensions to replace the 1500uF 16V ost rlx:
panasonic FJ 1500uF 16V 0.013 Ohms 2550mA 10mm(Ø) x 20mm(H)

is it okay to use that to replace the ost rlx? the fj has lower rated ripple. wud like to know if it is still within tolerance for use in the vrm circuit? thanks~

[c_hegge]

Re: Recommend: Caps for board recap of msi 875p-neo2

^
Panny FJ will work fine, but they aren't easy to source, since Panny don't normally sell them to anyone but manufacturers, so make sure they aren't fakes.

[ChaosLegionnaire]

Re: Recommend: Caps for board recap of msi 875p-neo2

keke yepp i know its not a good idea to buy caps from electrical shops but i got no choice as i am unable to buy anything online. mostly cuz the shipping is too ex$$$.

i shud also prolly get a camera. snap sum pics of the panny FJ and post it here so that it can be inquisited for authenticity.

heh if i bring my board back to life, i'll film the whole process of me popping the ost rlx crapacitors in the fire and watching them go "boomz" on youtube so hegge can enjoy his fix.

[severach]

Re: Recommend: Caps for board recap of msi 875p-neo2

beats me why msi uses top-end ZL rubies and KZE chemies in the northbridge, dimm, agp, pci, atx connector and cmos battery area but using ost rlx crapacitors in the cpu vrm area except for the only panny FJ in the cpu vrm area.

I get plenty of the same board model. One will have OST where another has Panasonic and a 3rd has UCC KZG. Cap selection is random. Lucky boards have top quality on every cap but I never see those. I get the ones where at least a few shoddy ones were placed.

[ChaosLegionnaire]

Re: Recommend: Caps for board recap of msi 875p-neo2

yea looks like the production facility where the boards are manufactured only care about productivity i.e. how many boards they can produce a day. so they use whatever capacitor they have available in stock. they dont care about quality at all. typical of chinese factories, i think.

[ChaosLegionnaire]

Re: Recommend: Caps for board recap of msi 875p-neo2

ok managed to acquire the replacements and snap sum pics of em. can someone take a look at them to see if they are genuine? if they are not, i might just file a police report against the shop for selling fakes and get my money back... keke~

also, got a screenshot of my board with the busted ost rlx on it. notice the ones at the vrm out have got a wrinkled top? i presume if its wrinkled it means the electrolyte inside dried up?

however, the ones at the vrm in still look okay.

also, i wonder if i can replace the 1500uF 6.3V FJ with the 3300uF 6.3V rubicon mbz? cuz i cant find any other capacitor with the right specs and dimensions to match the 1500uF 6.3V FJ.

P.S. i decided that everything must go. even the good 1500uF 6.3v FJ. it prolly must have been tortured being bunched together with the ost rlx crapacitors and prolly doesnt have much life left in it even tho it looks fine.

[tom66]

Re: Recommend: Caps for board recap of msi 875p-neo2

They look genuine. They could be very good fakes but it doesn't look like it to me.

[goodpsusearch]

Re: Recommend: Caps for board recap of msi 875p-neo2

.JPG Please!

[c_hegge]

Re: Recommend: Caps for board recap of msi 875p-neo2

Yah. Always use JPEG or PNG images. BMPs are just too big for some of us.

In any case, though, your caps look like they are real, but are old stock. The rubycons have an 06 date code, and the pannies have red print on the datecodes. I don't know when they stopped doing that, but it was a while ago.